Apolipoprotein E promotes invasion in oral squamous cell carcinoma

Oral squamous cell carcinoma (OSCC) patients generally have a poor prognosis, due to the invasive nature of these tumors. In comparing transcription profiles between OSCC tumors with a more invasive (WPOI 5) versus a less invasive (WPOI 3) pattern of invasion, we identified a total of 97 genes that were overexpressed at least 1.5-fold in the more invasive tumor subtype. The most functionally relevant genes were assessed using in vitro invasion assays with an OSCC cell line (UM-SCC-1). Individual siRNA knockdown of 15 of these 45 genes resulted in significant reductions in tumor cell invasion compared to a non-targeting siRNA control. (Source: American Journal of Pathology)

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